Files
linux_media/drivers/crypto/vmx/vmx.c
Ard Biesheuvel 0eb76ba29d crypto: remove cipher routines from public crypto API
The cipher routines in the crypto API are mostly intended for templates
implementing skcipher modes generically in software, and shouldn't be
used outside of the crypto subsystem. So move the prototypes and all
related definitions to a new header file under include/crypto/internal.
Also, let's use the new module namespace feature to move the symbol
exports into a new namespace CRYPTO_INTERNAL.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-01-03 08:41:35 +11:00

82 lines
2.0 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");
MODULE_IMPORT_NS(CRYPTO_INTERNAL);