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24 lines
647 B
C
24 lines
647 B
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2024 Arm Ltd.
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*
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* This device driver implements the TPM CRB start method
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* as defined in the TPM Service Command Response Buffer
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* Interface Over FF-A (DEN0138).
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*/
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#ifndef _TPM_CRB_FFA_H
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#define _TPM_CRB_FFA_H
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#if IS_REACHABLE(CONFIG_TCG_ARM_CRB_FFA)
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int tpm_crb_ffa_init(void);
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int tpm_crb_ffa_start(int request_type, int locality);
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#else
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static inline int tpm_crb_ffa_init(void) { return 0; }
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static inline int tpm_crb_ffa_start(int request_type, int locality) { return 0; }
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#endif
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#define CRB_FFA_START_TYPE_COMMAND 0
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#define CRB_FFA_START_TYPE_LOCALITY_REQUEST 1
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#endif
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