blob: 3e0335fb406c703193ecca00e0e3f3e32b9ad9df (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
// 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");
|
