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| 1 | +// SPDX-License-Identifier: GPL-2.0-only |
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1 | 2 | /** |
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2 | 3 | * Routines supporting VMX instructions on the Power 8 |
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3 | 4 | * |
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4 | 5 | * Copyright (C) 2015 International Business Machines Inc. |
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5 | | - * |
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6 | | - * This program is free software; you can redistribute it and/or modify |
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7 | | - * it under the terms of the GNU General Public License as published by |
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8 | | - * the Free Software Foundation; version 2 only. |
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9 | | - * |
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10 | | - * This program is distributed in the hope that it will be useful, |
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11 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | | - * GNU General Public License for more details. |
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14 | | - * |
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15 | | - * You should have received a copy of the GNU General Public License |
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16 | | - * along with this program; if not, write to the Free Software |
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17 | | - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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18 | 6 | * |
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19 | 7 | * Author: Marcelo Henrique Cerri <mhcerri@br.ibm.com> |
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20 | 8 | */ |
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.. | .. |
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27 | 15 | #include <linux/crypto.h> |
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28 | 16 | #include <asm/cputable.h> |
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29 | 17 | #include <crypto/internal/hash.h> |
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| 18 | +#include <crypto/internal/skcipher.h> |
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30 | 19 | |
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31 | 20 | extern struct shash_alg p8_ghash_alg; |
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32 | 21 | extern struct crypto_alg p8_aes_alg; |
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33 | | -extern struct crypto_alg p8_aes_cbc_alg; |
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34 | | -extern struct crypto_alg p8_aes_ctr_alg; |
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35 | | -extern struct crypto_alg p8_aes_xts_alg; |
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36 | | -static struct crypto_alg *algs[] = { |
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37 | | - &p8_aes_alg, |
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38 | | - &p8_aes_cbc_alg, |
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39 | | - &p8_aes_ctr_alg, |
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40 | | - &p8_aes_xts_alg, |
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41 | | - NULL, |
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42 | | -}; |
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| 22 | +extern struct skcipher_alg p8_aes_cbc_alg; |
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| 23 | +extern struct skcipher_alg p8_aes_ctr_alg; |
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| 24 | +extern struct skcipher_alg p8_aes_xts_alg; |
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43 | 25 | |
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44 | | -int __init p8_init(void) |
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| 26 | +static int __init p8_init(void) |
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45 | 27 | { |
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46 | | - int ret = 0; |
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47 | | - struct crypto_alg **alg_it; |
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48 | | - |
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49 | | - for (alg_it = algs; *alg_it; alg_it++) { |
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50 | | - ret = crypto_register_alg(*alg_it); |
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51 | | - printk(KERN_INFO "crypto_register_alg '%s' = %d\n", |
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52 | | - (*alg_it)->cra_name, ret); |
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53 | | - if (ret) { |
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54 | | - for (alg_it--; alg_it >= algs; alg_it--) |
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55 | | - crypto_unregister_alg(*alg_it); |
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56 | | - break; |
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57 | | - } |
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58 | | - } |
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59 | | - if (ret) |
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60 | | - return ret; |
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| 28 | + int ret; |
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61 | 29 | |
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62 | 30 | ret = crypto_register_shash(&p8_ghash_alg); |
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63 | | - if (ret) { |
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64 | | - for (alg_it = algs; *alg_it; alg_it++) |
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65 | | - crypto_unregister_alg(*alg_it); |
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66 | | - } |
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| 31 | + if (ret) |
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| 32 | + goto err; |
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| 33 | + |
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| 34 | + ret = crypto_register_alg(&p8_aes_alg); |
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| 35 | + if (ret) |
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| 36 | + goto err_unregister_ghash; |
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| 37 | + |
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| 38 | + ret = crypto_register_skcipher(&p8_aes_cbc_alg); |
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| 39 | + if (ret) |
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| 40 | + goto err_unregister_aes; |
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| 41 | + |
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| 42 | + ret = crypto_register_skcipher(&p8_aes_ctr_alg); |
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| 43 | + if (ret) |
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| 44 | + goto err_unregister_aes_cbc; |
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| 45 | + |
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| 46 | + ret = crypto_register_skcipher(&p8_aes_xts_alg); |
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| 47 | + if (ret) |
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| 48 | + goto err_unregister_aes_ctr; |
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| 49 | + |
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| 50 | + return 0; |
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| 51 | + |
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| 52 | +err_unregister_aes_ctr: |
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| 53 | + crypto_unregister_skcipher(&p8_aes_ctr_alg); |
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| 54 | +err_unregister_aes_cbc: |
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| 55 | + crypto_unregister_skcipher(&p8_aes_cbc_alg); |
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| 56 | +err_unregister_aes: |
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| 57 | + crypto_unregister_alg(&p8_aes_alg); |
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| 58 | +err_unregister_ghash: |
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| 59 | + crypto_unregister_shash(&p8_ghash_alg); |
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| 60 | +err: |
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67 | 61 | return ret; |
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68 | 62 | } |
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69 | 63 | |
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70 | | -void __exit p8_exit(void) |
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| 64 | +static void __exit p8_exit(void) |
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71 | 65 | { |
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72 | | - struct crypto_alg **alg_it; |
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73 | | - |
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74 | | - for (alg_it = algs; *alg_it; alg_it++) { |
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75 | | - printk(KERN_INFO "Removing '%s'\n", (*alg_it)->cra_name); |
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76 | | - crypto_unregister_alg(*alg_it); |
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77 | | - } |
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| 66 | + crypto_unregister_skcipher(&p8_aes_xts_alg); |
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| 67 | + crypto_unregister_skcipher(&p8_aes_ctr_alg); |
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| 68 | + crypto_unregister_skcipher(&p8_aes_cbc_alg); |
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| 69 | + crypto_unregister_alg(&p8_aes_alg); |
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78 | 70 | crypto_unregister_shash(&p8_ghash_alg); |
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79 | 71 | } |
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80 | 72 | |
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.. | .. |
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86 | 78 | "support on Power 8"); |
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87 | 79 | MODULE_LICENSE("GPL"); |
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88 | 80 | MODULE_VERSION("1.0.0"); |
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| 81 | +MODULE_IMPORT_NS(CRYPTO_INTERNAL); |
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