81 строка
1.9 KiB
C
81 строка
1.9 KiB
C
// 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>
|
|
|
|
extern struct shash_alg p8_ghash_alg;
|
|
extern struct crypto_alg p8_aes_alg;
|
|
extern struct skcipher_alg p8_aes_cbc_alg;
|
|
extern struct skcipher_alg p8_aes_ctr_alg;
|
|
extern struct skcipher_alg p8_aes_xts_alg;
|
|
|
|
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");
|