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crypto-qti-platform.h

crypto-qti-platform.h 1.8 KB
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  1. /* SPDX-License-Identifier: GPL-2.0-only */
    2. 

  2. /*
    3. 

  3.  * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
    4. 

  4.  */
    5. 

  5. 

  6. #ifndef _CRYPTO_QTI_PLATFORM_H
    7. 

  7. #define _CRYPTO_QTI_PLATFORM_H
    8. 

  8. 

  9. #include <linux/blk-crypto.h>
    10. 

  10. #include <linux/errno.h>
    11. 

  11. #include <linux/types.h>
    12. 

  12. #include <linux/device.h>
    13. 

  13. 

  14. #if IS_ENABLED(CONFIG_QTI_CRYPTO_COMMON)
    15. 

  15. int crypto_qti_program_key(const struct ice_mmio_data *mmio_data,
    16. 

  16. 			   const struct blk_crypto_key *key,
    17. 

  17. 			   unsigned int slot,
    18. 

  18. 			   unsigned int data_unit_mask, int capid, int storage_type);
    19. 

  19. int crypto_qti_invalidate_key(const struct ice_mmio_data *mmio_data,
    20. 

  20. 			      unsigned int slot, int storage_type);
    21. 

  21. int crypto_qti_derive_raw_secret_platform(const struct ice_mmio_data *mmio_data,
    22. 

  22. 				const u8 *wrapped_key,
    23. 

  23. 				unsigned int wrapped_key_size, u8 *secret,
    24. 

  24. 				unsigned int secret_size);
    25. 

  25. 

  26. #if (IS_ENABLED(CONFIG_QTI_HW_KEY_MANAGER) || IS_ENABLED(CONFIG_QTI_HW_KEY_MANAGER_V1))
    27. 

  27. void crypto_qti_disable_platform(void);
    28. 

  28. #else
    29. 

  29. static inline void crypto_qti_disable_platform(void)
    30. 

  30. {}
    31. 

  31. #endif /* CONFIG_QTI_HW_KEY_MANAGER */
    32. 

  32. #else
    33. 

  33. static inline int crypto_qti_program_key(
    34. 

  34. 				const struct ice_mmio_data *mmio_data,
    35. 

  35. 				const struct blk_crypto_key *key,
    36. 

  36. 				unsigned int slot,
    37. 

  37. 				unsigned int data_unit_mask, int capid, int storage_type)
    38. 

  38. {
    39. 

  39. 	return -EOPNOTSUPP;
    40. 

  40. }
    41. 

  41. static inline int crypto_qti_invalidate_key(
    42. 

  42. 		const struct ice_mmio_data *mmio_data, unsigned int slot, int storage_type)
    43. 

  43. {
    44. 

  44. 	return -EOPNOTSUPP;
    45. 

  45. }
    46. 

  46. static inline int crypto_qti_derive_raw_secret_platform(const struct ice_mmio_data *mmio_data,
    47. 

  47. 				const u8 *wrapped_key,
    48. 

  48. 				unsigned int wrapped_key_size, u8 *secret,
    49. 

  49. 				unsigned int secret_size)
    50. 

  50. {
    51. 

  51. 	return -EOPNOTSUPP;
    52. 

  52. }
    53. 

  53. 

  54. static inline void crypto_qti_disable_platform(void)
    55. 

  55. {}
    56. 

  56. #endif /* CONFIG_QTI_CRYPTO_TZ || CONFIG_QTI_HW_KEY_MANAGER */
    57. 

  57. #endif /* _CRYPTO_QTI_PLATFORM_H */
    58.