84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/*
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* Copyright (C) 2012-2017 ARM Limited or its affiliates.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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/* \file ssi_cipher.h
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* ARM CryptoCell Cipher Crypto API
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*/
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#ifndef __SSI_CIPHER_H__
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#define __SSI_CIPHER_H__
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#include <linux/kernel.h>
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#include <crypto/algapi.h>
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#include "ssi_driver.h"
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#include "ssi_buffer_mgr.h"
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/* Crypto cipher flags */
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#define CC_CRYPTO_CIPHER_KEY_KFDE0 (1 << 0)
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#define CC_CRYPTO_CIPHER_KEY_KFDE1 (1 << 1)
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#define CC_CRYPTO_CIPHER_KEY_KFDE2 (1 << 2)
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#define CC_CRYPTO_CIPHER_KEY_KFDE3 (1 << 3)
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#define CC_CRYPTO_CIPHER_DU_SIZE_512B (1 << 4)
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#define CC_CRYPTO_CIPHER_KEY_KFDE_MASK (CC_CRYPTO_CIPHER_KEY_KFDE0 | CC_CRYPTO_CIPHER_KEY_KFDE1 | CC_CRYPTO_CIPHER_KEY_KFDE2 | CC_CRYPTO_CIPHER_KEY_KFDE3)
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struct blkcipher_req_ctx {
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struct async_gen_req_ctx gen_ctx;
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enum ssi_req_dma_buf_type dma_buf_type;
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u32 in_nents;
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u32 in_mlli_nents;
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u32 out_nents;
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u32 out_mlli_nents;
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u8 *backup_info; /*store iv for generated IV flow*/
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bool is_giv;
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struct mlli_params mlli_params;
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};
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int ssi_ablkcipher_alloc(struct ssi_drvdata *drvdata);
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int ssi_ablkcipher_free(struct ssi_drvdata *drvdata);
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#ifndef CRYPTO_ALG_BULK_MASK
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#define CRYPTO_ALG_BULK_DU_512 0x00002000
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#define CRYPTO_ALG_BULK_DU_4096 0x00004000
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#define CRYPTO_ALG_BULK_MASK (CRYPTO_ALG_BULK_DU_512 |\
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CRYPTO_ALG_BULK_DU_4096)
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#endif /* CRYPTO_ALG_BULK_MASK */
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#ifdef CRYPTO_TFM_REQ_HW_KEY
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static inline bool ssi_is_hw_key(struct crypto_tfm *tfm)
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{
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return (crypto_tfm_get_flags(tfm) & CRYPTO_TFM_REQ_HW_KEY);
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}
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#else
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struct arm_hw_key_info {
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int hw_key1;
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int hw_key2;
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};
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static inline bool ssi_is_hw_key(struct crypto_tfm *tfm)
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{
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return 0;
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}
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#endif /* CRYPTO_TFM_REQ_HW_KEY */
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#endif /*__SSI_CIPHER_H__*/
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