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/blk-crypto.h> 10 #include <linux/types.h> 11 12 struct qcom_ice; 13 14 int qcom_ice_enable(struct qcom_ice *ice); 15 int qcom_ice_resume(struct qcom_ice *ice); 16 int qcom_ice_suspend(struct qcom_ice *ice); 17 int qcom_ice_program_key(struct qcom_ice *ice, unsigned int slot, 18 const struct blk_crypto_key *blk_key); 19 int qcom_ice_evict_key(struct qcom_ice *ice, int slot); 20 enum blk_crypto_key_type qcom_ice_get_supported_key_type(struct qcom_ice *ice); 21 int qcom_ice_derive_sw_secret(struct qcom_ice *ice, 22 const u8 *eph_key, size_t eph_key_size, 23 u8 sw_secret[BLK_CRYPTO_SW_SECRET_SIZE]); 24 int qcom_ice_generate_key(struct qcom_ice *ice, 25 u8 lt_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE]); 26 int qcom_ice_prepare_key(struct qcom_ice *ice, 27 const u8 *lt_key, size_t lt_key_size, 28 u8 eph_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE]); 29 int qcom_ice_import_key(struct qcom_ice *ice, 30 const u8 *raw_key, size_t raw_key_size, 31 u8 lt_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE]); 32 struct qcom_ice *devm_of_qcom_ice_get(struct device *dev); 33 34 #endif /* __QCOM_ICE_H__ */ 35