include/soc/qcom/ice.h

   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__ */