| 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/types.h> |
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| 10 | |
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| 11 | struct qcom_ice; |
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| 12 | |
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| 13 | enum qcom_ice_crypto_key_size { |
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| 14 | QCOM_ICE_CRYPTO_KEY_SIZE_INVALID = 0x0, |
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| 15 | QCOM_ICE_CRYPTO_KEY_SIZE_128 = 0x1, |
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| 16 | QCOM_ICE_CRYPTO_KEY_SIZE_192 = 0x2, |
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| 17 | QCOM_ICE_CRYPTO_KEY_SIZE_256 = 0x3, |
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| 18 | QCOM_ICE_CRYPTO_KEY_SIZE_512 = 0x4, |
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| 19 | }; |
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| 20 | |
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| 21 | enum qcom_ice_crypto_alg { |
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| 22 | QCOM_ICE_CRYPTO_ALG_AES_XTS = 0x0, |
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| 23 | QCOM_ICE_CRYPTO_ALG_BITLOCKER_AES_CBC = 0x1, |
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| 24 | QCOM_ICE_CRYPTO_ALG_AES_ECB = 0x2, |
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| 25 | QCOM_ICE_CRYPTO_ALG_ESSIV_AES_CBC = 0x3, |
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| 26 | }; |
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| 27 | |
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| 28 | int qcom_ice_enable(struct qcom_ice *ice); |
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| 29 | int qcom_ice_resume(struct qcom_ice *ice); |
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| 30 | int qcom_ice_suspend(struct qcom_ice *ice); |
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| 31 | int qcom_ice_program_key(struct qcom_ice *ice, |
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| 32 | u8 algorithm_id, u8 key_size, |
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| 33 | const u8 crypto_key[], u8 data_unit_size, |
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| 34 | int slot); |
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| 35 | int qcom_ice_evict_key(struct qcom_ice *ice, int slot); |
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| 36 | struct qcom_ice *of_qcom_ice_get(struct device *dev); |
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| 37 | #endif /* __QCOM_ICE_H__ */ |
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| 38 | |
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