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33 lines
920 B
C
33 lines
920 B
C
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/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2019, Linaro Limited
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*/
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#if !defined _EFI_RNG_H_
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#define _EFI_RNG_H_
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#include <efi.h>
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#include <efi_api.h>
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/* EFI random number generation protocol related GUID definitions */
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#define EFI_RNG_PROTOCOL_GUID \
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EFI_GUID(0x3152bca5, 0xeade, 0x433d, 0x86, 0x2e, \
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0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44)
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#define EFI_RNG_ALGORITHM_RAW \
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EFI_GUID(0xe43176d7, 0xb6e8, 0x4827, 0xb7, 0x84, \
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0x7f, 0xfd, 0xc4, 0xb6, 0x85, 0x61)
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struct efi_rng_protocol {
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efi_status_t (EFIAPI *get_info)(struct efi_rng_protocol *protocol,
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efi_uintn_t *rng_algorithm_list_size,
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efi_guid_t *rng_algorithm_list);
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efi_status_t (EFIAPI *get_rng)(struct efi_rng_protocol *protocol,
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efi_guid_t *rng_algorithm,
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efi_uintn_t rng_value_length, uint8_t *rng_value);
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};
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efi_status_t platform_get_rng_device(struct udevice **dev);
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#endif /* _EFI_RNG_H_ */
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