mirror of
https://github.com/rd-stuffs/msm-4.14.git
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e62b481e0f
Add QTI implementation for variant ops required for inline encryption with wrapped key support. These include UFS crypto ops and KSM ops. Also add crypto common library to cater to different key programing mechanisms. Change-Id: Ica930a8a806a78d4c2d074639cbed355b895a459 Signed-off-by: Gaurav Kashyap <gaurkash@codeaurora.org> Signed-off-by: Neeraj Soni <neersoni@codeaurora.org>
96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
/* 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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