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95 lines
2.6 KiB
95 lines
2.6 KiB
/* Copyright (c) 2020, The Linux Foundation. All rights reserved.
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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 and
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* only version 2 as 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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#ifndef _CRYPTO_QTI_COMMON_H
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#define _CRYPTO_QTI_COMMON_H
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#include <linux/bio-crypt-ctx.h>
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#include <linux/errno.h>
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#include <linux/types.h>
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#include <linux/device.h>
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#include <linux/delay.h>
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#define RAW_SECRET_SIZE 32
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#define QTI_ICE_MAX_BIST_CHECK_COUNT 100
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#define QTI_ICE_TYPE_NAME_LEN 8
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struct crypto_vops_qti_entry {
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void __iomem *icemmio_base;
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uint32_t ice_hw_version;
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uint8_t ice_dev_type[QTI_ICE_TYPE_NAME_LEN];
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uint32_t flags;
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};
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#if IS_ENABLED(CONFIG_QTI_CRYPTO_COMMON)
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// crypto-qti-common.c
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int crypto_qti_init_crypto(struct device *dev, void __iomem *mmio_base,
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void **priv_data);
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int crypto_qti_enable(void *priv_data);
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void crypto_qti_disable(void *priv_data);
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int crypto_qti_resume(void *priv_data);
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int crypto_qti_debug(void *priv_data);
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int crypto_qti_keyslot_program(void *priv_data,
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const struct blk_crypto_key *key,
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unsigned int slot, u8 data_unit_mask,
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int capid);
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int crypto_qti_keyslot_evict(void *priv_data, unsigned int slot);
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int crypto_qti_derive_raw_secret(const u8 *wrapped_key,
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unsigned int wrapped_key_size, u8 *secret,
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unsigned int secret_size);
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#else
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static inline int crypto_qti_init_crypto(struct device *dev,
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void __iomem *mmio_base,
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void **priv_data)
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{
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return 0;
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}
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static inline int crypto_qti_enable(void *priv_data)
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{
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return 0;
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}
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static inline void crypto_qti_disable(void *priv_data)
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{
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return 0;
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}
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static inline int crypto_qti_resume(void *priv_data)
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{
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return 0;
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}
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static inline int crypto_qti_debug(void *priv_data)
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{
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return 0;
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}
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static inline int crypto_qti_keyslot_program(void *priv_data,
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const struct blk_crypto_key *key,
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unsigned int slot,
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u8 data_unit_mask,
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int capid)
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{
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return 0;
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}
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static inline int crypto_qti_keyslot_evict(void *priv_data, unsigned int slot)
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{
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return 0;
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}
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static inline int crypto_qti_derive_raw_secret(const u8 *wrapped_key,
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unsigned int wrapped_key_size,
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u8 *secret,
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unsigned int secret_size)
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{
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return 0;
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}
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#endif /* CONFIG_QTI_CRYPTO_COMMON */
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#endif /* _CRYPTO_QTI_COMMON_H */
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