cregit-Linux how code gets into the kernel

Release 4.11 drivers/crypto/vmx/vmx.c

/**
 * 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) { for (alg_it = algs; *alg_it; alg_it++) crypto_unregister_alg(*alg_it); } return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Marcelo H. Cerri123100.00%1100.00%
Total123100.00%1100.00%


void __exit p8_exit(void) { struct crypto_alg **alg_it; for (alg_it = algs; *alg_it; alg_it++) { printk(KERN_INFO "Removing '%s'\n", (*alg_it)->cra_name); crypto_unregister_alg(*alg_it); } crypto_unregister_shash(&p8_ghash_alg); }

Contributors

PersonTokensPropCommitsCommitProp
Marcelo H. Cerri53100.00%1100.00%
Total53100.00%1100.00%

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");

Overall Contributors

PersonTokensPropCommitsCommitProp
Marcelo H. Cerri26694.33%125.00%
Leonidas Da Silva Barbosa82.84%125.00%
Alastair D'Silva62.13%125.00%
Herbert Xu20.71%125.00%
Total282100.00%4100.00%
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