// SPDX-License-Identifier: GPL-2.0-only
/*
* Routines supporting VMX instructions on the Power 8
*
* Copyright ( C ) 2015 International Business Machines Inc .
*
* Author : Marcelo Henrique Cerri < mhcerri @ br . ibm . com >
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/err.h>
#include <linux/cpufeature.h>
#include <linux/crypto.h>
#include <asm /cputable.h>
#include <crypto/internal/hash.h>
#include <crypto/internal/skcipher.h>
#include "aesp8-ppc.h"
static int __init p8_init(void )
{
int ret;
ret = crypto_register_shash(&p8_ghash_alg);
if (ret)
goto err;
ret = crypto_register_alg(&p8_aes_alg);
if (ret)
goto err_unregister_ghash;
ret = crypto_register_skcipher(&p8_aes_cbc_alg);
if (ret)
goto err_unregister_aes;
ret = crypto_register_skcipher(&p8_aes_ctr_alg);
if (ret)
goto err_unregister_aes_cbc;
ret = crypto_register_skcipher(&p8_aes_xts_alg);
if (ret)
goto err_unregister_aes_ctr;
return 0 ;
err_unregister_aes_ctr:
crypto_unregister_skcipher(&p8_aes_ctr_alg);
err_unregister_aes_cbc:
crypto_unregister_skcipher(&p8_aes_cbc_alg);
err_unregister_aes:
crypto_unregister_alg(&p8_aes_alg);
err_unregister_ghash:
crypto_unregister_shash(&p8_ghash_alg);
err:
return ret;
}
static void __exit p8_exit(void )
{
crypto_unregister_skcipher(&p8_aes_xts_alg);
crypto_unregister_skcipher(&p8_aes_ctr_alg);
crypto_unregister_skcipher(&p8_aes_cbc_alg);
crypto_unregister_alg(&p8_aes_alg);
crypto_unregister_shash(&p8_ghash_alg);
}
module_cpu_feature_match(PPC_MODULE_FEATURE_VEC_CRYPTO, p8_init);
module_exit(p8_exit);
MODULE_AUTHOR("Marcelo Cerri<mhcerri@br.ibm.com>" );
MODULE_DESCRIPTION("IBM VMX cryptographic acceleration instructions "
"support on Power 8" );
MODULE_LICENSE("GPL" );
MODULE_VERSION("1.0.0" );
MODULE_IMPORT_NS("CRYPTO_INTERNAL" );
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