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