| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * Copyright (c) 2023, Linaro Limited |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef __QCOM_ICE_H__ |
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| 7 | #define __QCOM_ICE_H__ |
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| 8 | |
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| 9 | #include <linux/blk-crypto.h> |
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| 10 | #include <linux/types.h> |
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| 11 | |
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| 12 | struct qcom_ice; |
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| 13 | |
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| 14 | int qcom_ice_enable(struct qcom_ice *ice); |
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| 15 | int qcom_ice_resume(struct qcom_ice *ice); |
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| 16 | int qcom_ice_suspend(struct qcom_ice *ice); |
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| 17 | int qcom_ice_program_key(struct qcom_ice *ice, unsigned int slot, |
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| 18 | const struct blk_crypto_key *blk_key); |
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| 19 | int qcom_ice_evict_key(struct qcom_ice *ice, int slot); |
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| 20 | enum blk_crypto_key_type qcom_ice_get_supported_key_type(struct qcom_ice *ice); |
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| 21 | int qcom_ice_derive_sw_secret(struct qcom_ice *ice, |
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| 22 | const u8 *eph_key, size_t eph_key_size, |
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| 23 | u8 sw_secret[BLK_CRYPTO_SW_SECRET_SIZE]); |
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| 24 | int qcom_ice_generate_key(struct qcom_ice *ice, |
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| 25 | u8 lt_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE]); |
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| 26 | int qcom_ice_prepare_key(struct qcom_ice *ice, |
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| 27 | const u8 *lt_key, size_t lt_key_size, |
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| 28 | u8 eph_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE]); |
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| 29 | int qcom_ice_import_key(struct qcom_ice *ice, |
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| 30 | const u8 *raw_key, size_t raw_key_size, |
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| 31 | u8 lt_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE]); |
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| 32 | struct qcom_ice *devm_of_qcom_ice_get(struct device *dev); |
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| 33 | |
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| 34 | #endif /* __QCOM_ICE_H__ */ |
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| 35 | |
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