mirror of
https://github.com/torvalds/linux.git
synced 2025-07-25 15:01:20 +00:00
fce8b8d598
The 'comp' compression API has been superseded by the acomp API, which is a bit more cumbersome to use, but ultimately more flexible when it comes to hardware implementations. Now that all the users and implementations have been removed, let's remove the core plumbing of the 'comp' API as well. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
101 lines
2.5 KiB
C
101 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Scatterlist Cryptographic API.
|
|
*
|
|
* Procfs information.
|
|
*
|
|
* Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
|
|
* Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au>
|
|
*/
|
|
|
|
#include <linux/atomic.h>
|
|
#include <linux/init.h>
|
|
#include <linux/crypto.h>
|
|
#include <linux/fips.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",
|
|
str_yes_no(alg->cra_flags & CRYPTO_ALG_INTERNAL));
|
|
if (fips_enabled)
|
|
seq_printf(m, "fips : %s\n",
|
|
str_no_yes(alg->cra_flags & CRYPTO_ALG_FIPS_INTERNAL));
|
|
|
|
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) {
|
|
alg->cra_type->show(m, alg);
|
|
goto out;
|
|
}
|
|
|
|
switch (alg->cra_flags & CRYPTO_ALG_TYPE_MASK) {
|
|
case CRYPTO_ALG_TYPE_CIPHER:
|
|
seq_printf(m, "type : cipher\n");
|
|
seq_printf(m, "blocksize : %u\n", alg->cra_blocksize);
|
|
seq_printf(m, "min keysize : %u\n",
|
|
alg->cra_cipher.cia_min_keysize);
|
|
seq_printf(m, "max keysize : %u\n",
|
|
alg->cra_cipher.cia_max_keysize);
|
|
break;
|
|
default:
|
|
seq_printf(m, "type : unknown\n");
|
|
break;
|
|
}
|
|
|
|
out:
|
|
seq_putc(m, '\n');
|
|
return 0;
|
|
}
|
|
|
|
static const struct seq_operations crypto_seq_ops = {
|
|
.start = c_start,
|
|
.next = c_next,
|
|
.stop = c_stop,
|
|
.show = c_show
|
|
};
|
|
|
|
void __init crypto_init_proc(void)
|
|
{
|
|
proc_create_seq("crypto", 0, NULL, &crypto_seq_ops);
|
|
}
|
|
|
|
void __exit crypto_exit_proc(void)
|
|
{
|
|
remove_proc_entry("crypto", NULL);
|
|
}
|