1 // SPDX-License-Identifier: GPL-2.0
3 * Routines supporting VMX instructions on the Power 8
5 * Copyright (C) 2015 International Business Machines Inc.
7 * Author: Marcelo Henrique Cerri <mhcerri@br.ibm.com>
10 #include <linux/module.h>
11 #include <linux/moduleparam.h>
12 #include <linux/types.h>
13 #include <linux/err.h>
14 #include <linux/cpufeature.h>
15 #include <linux/crypto.h>
16 #include <asm/cputable.h>
17 #include <crypto/internal/hash.h>
18 #include <crypto/internal/skcipher.h>
20 extern struct shash_alg p8_ghash_alg;
21 extern struct crypto_alg p8_aes_alg;
22 extern struct skcipher_alg p8_aes_cbc_alg;
23 extern struct skcipher_alg p8_aes_ctr_alg;
24 extern struct skcipher_alg p8_aes_xts_alg;
26 static int __init p8_init(void)
30 ret = crypto_register_shash(&p8_ghash_alg);
34 ret = crypto_register_alg(&p8_aes_alg);
36 goto err_unregister_ghash;
38 ret = crypto_register_skcipher(&p8_aes_cbc_alg);
40 goto err_unregister_aes;
42 ret = crypto_register_skcipher(&p8_aes_ctr_alg);
44 goto err_unregister_aes_cbc;
46 ret = crypto_register_skcipher(&p8_aes_xts_alg);
48 goto err_unregister_aes_ctr;
52 err_unregister_aes_ctr:
53 crypto_unregister_skcipher(&p8_aes_ctr_alg);
54 err_unregister_aes_cbc:
55 crypto_unregister_skcipher(&p8_aes_cbc_alg);
57 crypto_unregister_alg(&p8_aes_alg);
59 crypto_unregister_shash(&p8_ghash_alg);
64 static void __exit p8_exit(void)
66 crypto_unregister_skcipher(&p8_aes_xts_alg);
67 crypto_unregister_skcipher(&p8_aes_ctr_alg);
68 crypto_unregister_skcipher(&p8_aes_cbc_alg);
69 crypto_unregister_alg(&p8_aes_alg);
70 crypto_unregister_shash(&p8_ghash_alg);
73 module_cpu_feature_match(PPC_MODULE_FEATURE_VEC_CRYPTO, p8_init);
76 MODULE_AUTHOR("Marcelo Cerri<mhcerri@br.ibm.com>");
77 MODULE_DESCRIPTION("IBM VMX cryptographic acceleration instructions "
78 "support on Power 8");
79 MODULE_LICENSE("GPL");
80 MODULE_VERSION("1.0.0");