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| 1 | +/* SPDX-License-Identifier: GPL-2.0-only */ |
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| 1 | 2 | /* |
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| 2 | 3 | * AMD Cryptographic Coprocessor (CCP) crypto API support |
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| 3 | 4 | * |
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| 4 | 5 | * Copyright (C) 2013,2017 Advanced Micro Devices, Inc. |
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| 5 | 6 | * |
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| 6 | 7 | * Author: Tom Lendacky <thomas.lendacky@amd.com> |
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| 7 | | - * |
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| 8 | | - * This program is free software; you can redistribute it and/or modify |
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| 9 | | - * it under the terms of the GNU General Public License version 2 as |
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| 10 | | - * published by the Free Software Foundation. |
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| 11 | 8 | */ |
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| 12 | 9 | |
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| 13 | 10 | #ifndef __CCP_CRYPTO_H__ |
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| .. | .. |
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| 15 | 12 | |
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| 16 | 13 | #include <linux/list.h> |
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| 17 | 14 | #include <linux/wait.h> |
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| 18 | | -#include <linux/pci.h> |
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| 19 | 15 | #include <linux/ccp.h> |
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| 20 | 16 | #include <crypto/algapi.h> |
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| 21 | 17 | #include <crypto/aes.h> |
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| .. | .. |
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| 25 | 21 | #include <crypto/hash.h> |
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| 26 | 22 | #include <crypto/sha.h> |
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| 27 | 23 | #include <crypto/akcipher.h> |
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| 24 | +#include <crypto/skcipher.h> |
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| 28 | 25 | #include <crypto/internal/rsa.h> |
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| 26 | + |
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| 27 | +/* We want the module name in front of our messages */ |
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| 28 | +#undef pr_fmt |
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| 29 | +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
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| 29 | 30 | |
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| 30 | 31 | #define CCP_LOG_LEVEL KERN_INFO |
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| 31 | 32 | |
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| 32 | 33 | #define CCP_CRA_PRIORITY 300 |
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| 33 | 34 | |
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| 34 | | -struct ccp_crypto_ablkcipher_alg { |
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| 35 | +struct ccp_crypto_skcipher_alg { |
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| 35 | 36 | struct list_head entry; |
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| 36 | 37 | |
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| 37 | 38 | u32 mode; |
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| 38 | 39 | |
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| 39 | | - struct crypto_alg alg; |
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| 40 | + struct skcipher_alg alg; |
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| 40 | 41 | }; |
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| 41 | 42 | |
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| 42 | 43 | struct ccp_crypto_aead { |
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| .. | .. |
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| 66 | 67 | struct akcipher_alg alg; |
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| 67 | 68 | }; |
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| 68 | 69 | |
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| 69 | | -static inline struct ccp_crypto_ablkcipher_alg * |
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| 70 | | - ccp_crypto_ablkcipher_alg(struct crypto_tfm *tfm) |
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| 70 | +static inline struct ccp_crypto_skcipher_alg * |
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| 71 | + ccp_crypto_skcipher_alg(struct crypto_skcipher *tfm) |
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| 71 | 72 | { |
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| 72 | | - struct crypto_alg *alg = tfm->__crt_alg; |
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| 73 | + struct skcipher_alg *alg = crypto_skcipher_alg(tfm); |
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| 73 | 74 | |
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| 74 | | - return container_of(alg, struct ccp_crypto_ablkcipher_alg, alg); |
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| 75 | + return container_of(alg, struct ccp_crypto_skcipher_alg, alg); |
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| 75 | 76 | } |
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| 76 | 77 | |
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| 77 | 78 | static inline struct ccp_crypto_ahash_alg * |
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| .. | .. |
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| 89 | 90 | struct ccp_aes_ctx { |
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| 90 | 91 | /* Fallback cipher for XTS with unsupported unit sizes */ |
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| 91 | 92 | struct crypto_skcipher *tfm_skcipher; |
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| 92 | | - |
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| 93 | | - /* Cipher used to generate CMAC K1/K2 keys */ |
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| 94 | | - struct crypto_cipher *tfm_cipher; |
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| 95 | 93 | |
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| 96 | 94 | enum ccp_engine engine; |
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| 97 | 95 | enum ccp_aes_type type; |
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| .. | .. |
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| 123 | 121 | u8 rfc3686_iv[AES_BLOCK_SIZE]; |
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| 124 | 122 | |
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| 125 | 123 | struct ccp_cmd cmd; |
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| 124 | + |
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| 125 | + struct skcipher_request fallback_req; // keep at the end |
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| 126 | 126 | }; |
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| 127 | 127 | |
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| 128 | 128 | struct ccp_aes_cmac_req_ctx { |
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