bf754ae8ef
Add support for the hardware accelerated AES crypto algorithm. Signed-off-by: Jan Glauber <jan.glauber@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
130 lines
4.2 KiB
C
130 lines
4.2 KiB
C
/*
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* Cryptographic API.
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*
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* Support for s390 cryptographic instructions.
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* Testing module for querying processor crypto capabilities.
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*
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* Copyright (c) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
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* Author(s): Thomas Spatzier (tspat@de.ibm.com)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <asm/errno.h>
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#include "crypt_s390.h"
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static void query_available_functions(void)
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{
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printk(KERN_INFO "#####################\n");
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/* query available KM functions */
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printk(KERN_INFO "KM_QUERY: %d\n",
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crypt_s390_func_available(KM_QUERY));
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printk(KERN_INFO "KM_DEA: %d\n",
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crypt_s390_func_available(KM_DEA_ENCRYPT));
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printk(KERN_INFO "KM_TDEA_128: %d\n",
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crypt_s390_func_available(KM_TDEA_128_ENCRYPT));
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printk(KERN_INFO "KM_TDEA_192: %d\n",
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crypt_s390_func_available(KM_TDEA_192_ENCRYPT));
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printk(KERN_INFO "KM_AES_128: %d\n",
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crypt_s390_func_available(KM_AES_128_ENCRYPT));
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printk(KERN_INFO "KM_AES_192: %d\n",
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crypt_s390_func_available(KM_AES_192_ENCRYPT));
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printk(KERN_INFO "KM_AES_256: %d\n",
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crypt_s390_func_available(KM_AES_256_ENCRYPT));
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/* query available KMC functions */
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printk(KERN_INFO "KMC_QUERY: %d\n",
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crypt_s390_func_available(KMC_QUERY));
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printk(KERN_INFO "KMC_DEA: %d\n",
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crypt_s390_func_available(KMC_DEA_ENCRYPT));
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printk(KERN_INFO "KMC_TDEA_128: %d\n",
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crypt_s390_func_available(KMC_TDEA_128_ENCRYPT));
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printk(KERN_INFO "KMC_TDEA_192: %d\n",
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crypt_s390_func_available(KMC_TDEA_192_ENCRYPT));
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printk(KERN_INFO "KMC_AES_128: %d\n",
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crypt_s390_func_available(KMC_AES_128_ENCRYPT));
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printk(KERN_INFO "KMC_AES_192: %d\n",
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crypt_s390_func_available(KMC_AES_192_ENCRYPT));
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printk(KERN_INFO "KMC_AES_256: %d\n",
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crypt_s390_func_available(KMC_AES_256_ENCRYPT));
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/* query available KIMD fucntions */
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printk(KERN_INFO "KIMD_QUERY: %d\n",
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crypt_s390_func_available(KIMD_QUERY));
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printk(KERN_INFO "KIMD_SHA_1: %d\n",
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crypt_s390_func_available(KIMD_SHA_1));
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printk(KERN_INFO "KIMD_SHA_256: %d\n",
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crypt_s390_func_available(KIMD_SHA_256));
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/* query available KLMD functions */
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printk(KERN_INFO "KLMD_QUERY: %d\n",
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crypt_s390_func_available(KLMD_QUERY));
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printk(KERN_INFO "KLMD_SHA_1: %d\n",
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crypt_s390_func_available(KLMD_SHA_1));
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printk(KERN_INFO "KLMD_SHA_256: %d\n",
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crypt_s390_func_available(KLMD_SHA_256));
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/* query available KMAC functions */
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printk(KERN_INFO "KMAC_QUERY: %d\n",
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crypt_s390_func_available(KMAC_QUERY));
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printk(KERN_INFO "KMAC_DEA: %d\n",
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crypt_s390_func_available(KMAC_DEA));
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printk(KERN_INFO "KMAC_TDEA_128: %d\n",
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crypt_s390_func_available(KMAC_TDEA_128));
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printk(KERN_INFO "KMAC_TDEA_192: %d\n",
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crypt_s390_func_available(KMAC_TDEA_192));
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}
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static int init(void)
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{
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struct crypt_s390_query_status status = {
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.high = 0,
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.low = 0
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};
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printk(KERN_INFO "crypt_s390: querying available crypto functions\n");
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crypt_s390_km(KM_QUERY, &status, NULL, NULL, 0);
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printk(KERN_INFO "KM:\t%016llx %016llx\n",
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(unsigned long long) status.high,
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(unsigned long long) status.low);
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status.high = status.low = 0;
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crypt_s390_kmc(KMC_QUERY, &status, NULL, NULL, 0);
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printk(KERN_INFO "KMC:\t%016llx %016llx\n",
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(unsigned long long) status.high,
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(unsigned long long) status.low);
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status.high = status.low = 0;
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crypt_s390_kimd(KIMD_QUERY, &status, NULL, 0);
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printk(KERN_INFO "KIMD:\t%016llx %016llx\n",
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(unsigned long long) status.high,
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(unsigned long long) status.low);
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status.high = status.low = 0;
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crypt_s390_klmd(KLMD_QUERY, &status, NULL, 0);
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printk(KERN_INFO "KLMD:\t%016llx %016llx\n",
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(unsigned long long) status.high,
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(unsigned long long) status.low);
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status.high = status.low = 0;
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crypt_s390_kmac(KMAC_QUERY, &status, NULL, 0);
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printk(KERN_INFO "KMAC:\t%016llx %016llx\n",
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(unsigned long long) status.high,
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(unsigned long long) status.low);
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query_available_functions();
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return -ECANCELED;
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}
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static void __exit cleanup(void)
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{
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}
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module_init(init);
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module_exit(cleanup);
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MODULE_LICENSE("GPL");
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