1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * Copyright (c) 2023, Linaro Limited
4 */
5
6 #ifndef __QCOM_ICE_H__
7 #define __QCOM_ICE_H__
8
9 #include <linux/types.h>
10
11 struct qcom_ice;
12
13 enum qcom_ice_crypto_key_size {
14 QCOM_ICE_CRYPTO_KEY_SIZE_INVALID = 0x0,
15 QCOM_ICE_CRYPTO_KEY_SIZE_128 = 0x1,
16 QCOM_ICE_CRYPTO_KEY_SIZE_192 = 0x2,
17 QCOM_ICE_CRYPTO_KEY_SIZE_256 = 0x3,
18 QCOM_ICE_CRYPTO_KEY_SIZE_512 = 0x4,
19 };
20
21 enum qcom_ice_crypto_alg {
22 QCOM_ICE_CRYPTO_ALG_AES_XTS = 0x0,
23 QCOM_ICE_CRYPTO_ALG_BITLOCKER_AES_CBC = 0x1,
24 QCOM_ICE_CRYPTO_ALG_AES_ECB = 0x2,
25 QCOM_ICE_CRYPTO_ALG_ESSIV_AES_CBC = 0x3,
26 };
27
28 int qcom_ice_enable(struct qcom_ice *ice);
29 int qcom_ice_resume(struct qcom_ice *ice);
30 int qcom_ice_suspend(struct qcom_ice *ice);
31 int qcom_ice_program_key(struct qcom_ice *ice,
32 u8 algorithm_id, u8 key_size,
33 const u8 crypto_key[], u8 data_unit_size,
34 int slot);
35 int qcom_ice_evict_key(struct qcom_ice *ice, int slot);
36 struct qcom_ice *of_qcom_ice_get(struct device *dev);
37 #endif /* __QCOM_ICE_H__ */
38
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