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
11struct qcom_ice;
12
13enum 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
21enum 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
28int qcom_ice_enable(struct qcom_ice *ice);
29int qcom_ice_resume(struct qcom_ice *ice);
30int qcom_ice_suspend(struct qcom_ice *ice);
31int 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);
35int qcom_ice_evict_key(struct qcom_ice *ice, int slot);
36struct qcom_ice *of_qcom_ice_get(struct device *dev);
37#endif /* __QCOM_ICE_H__ */
38