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- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * Copyright (c) 2019, Linaro Limited
- */
- #if !defined _EFI_RNG_H_
- #define _EFI_RNG_H_
- #include <efi.h>
- #include <efi_api.h>
- /* EFI random number generation protocol related GUID definitions */
- #define EFI_RNG_ALGORITHM_RAW \
- EFI_GUID(0xe43176d7, 0xb6e8, 0x4827, 0xb7, 0x84, \
- 0x7f, 0xfd, 0xc4, 0xb6, 0x85, 0x61)
- struct efi_rng_protocol {
- efi_status_t (EFIAPI *get_info)(struct efi_rng_protocol *protocol,
- efi_uintn_t *rng_algorithm_list_size,
- efi_guid_t *rng_algorithm_list);
- efi_status_t (EFIAPI *get_rng)(struct efi_rng_protocol *protocol,
- efi_guid_t *rng_algorithm,
- efi_uintn_t rng_value_length, uint8_t *rng_value);
- };
- efi_status_t platform_get_rng_device(struct udevice **dev);
- #endif /* _EFI_RNG_H_ */
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