linux-imx

/*

 * Scatterlist Cryptographic API.

 *

 * Procfs information.

 *

 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>

 * Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au>

 *

 * 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; either version 2 of the License, or (at your option) 

 * any later version.

 *

 */

​

#include <linux/atomic.h>

#include <linux/init.h>

#include <linux/crypto.h>

#include <linux/module.h>   /* for module_name() */

#include <linux/rwsem.h>

#include <linux/proc_fs.h>

#include <linux/seq_file.h>

#include "internal.h"

​

static void *c_start(struct seq_file *m, loff_t *pos)

{

    down_read(&crypto_alg_sem);

    return seq_list_start(&crypto_alg_list, *pos);

}

​

static void *c_next(struct seq_file *m, void *p, loff_t *pos)

{

    return seq_list_next(p, &crypto_alg_list, pos);

}

​

static void c_stop(struct seq_file *m, void *p)

{

    up_read(&crypto_alg_sem);

}

​

static int c_show(struct seq_file *m, void *p)

{

    struct crypto_alg *alg = list_entry(p, struct crypto_alg, cra_list);

    seq_printf(m, "name         : %s\n", alg->cra_name);

    seq_printf(m, "driver       : %s\n", alg->cra_driver_name);

    seq_printf(m, "module       : %s\n", module_name(alg->cra_module));

    seq_printf(m, "priority     : %d\n", alg->cra_priority);

    seq_printf(m, "refcnt       : %u\n", refcount_read(&alg->cra_refcnt));

    seq_printf(m, "selftest     : %s\n",

           (alg->cra_flags & CRYPTO_ALG_TESTED) ?

           "passed" : "unknown");

    seq_printf(m, "internal     : %s\n",

           (alg->cra_flags & CRYPTO_ALG_INTERNAL) ?

           "yes" : "no");

​

    if (alg->cra_flags & CRYPTO_ALG_LARVAL) {

        seq_printf(m, "type         : larval\n");

        seq_printf(m, "flags        : 0x%x\n", alg->cra_flags);

        goto out;

    }

​

    if (alg->cra_type && alg->cra_type->show) {