linux-imx

/**

 * Routines supporting VMX instructions on the Power 8

 *

 * Copyright (C) 2015 International Business Machines Inc.

 *

 * 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; version 2 only.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 *

 * 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>

​

extern struct shash_alg p8_ghash_alg;

extern struct crypto_alg p8_aes_alg;

extern struct crypto_alg p8_aes_cbc_alg;

extern struct crypto_alg p8_aes_ctr_alg;

extern struct crypto_alg p8_aes_xts_alg;

static struct crypto_alg *algs[] = {

    &p8_aes_alg,

    &p8_aes_cbc_alg,

    &p8_aes_ctr_alg,

    &p8_aes_xts_alg,

    NULL,

};

​

int __init p8_init(void)

{

    int ret = 0;

    struct crypto_alg **alg_it;

​

    for (alg_it = algs; *alg_it; alg_it++) {

        ret = crypto_register_alg(*alg_it);

        printk(KERN_INFO "crypto_register_alg '%s' = %d\n",

               (*alg_it)->cra_name, ret);

        if (ret) {

            for (alg_it--; alg_it >= algs; alg_it--)

                crypto_unregister_alg(*alg_it);

            break;

        }

    }

    if (ret)

        return ret;

​

    ret = crypto_register_shash(&p8_ghash_alg);

    if (ret) {