47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/*
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* TPM Physical Presence Interface
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*
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* Copyright (C) 2018 IBM Corporation
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*
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* Authors:
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* Stefan Berger <stefanb@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef TPM_TPM_PPI_H
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#define TPM_TPM_PPI_H
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#include "hw/acpi/tpm.h"
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#include "exec/address-spaces.h"
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typedef struct TPMPPI {
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MemoryRegion ram;
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uint8_t *buf;
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} TPMPPI;
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/**
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* tpm_ppi_init:
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* @tpmppi: a TPMPPI
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* @m: the address-space / MemoryRegion to use
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* @addr: the address of the PPI region
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* @obj: the owner object
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*
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* Register the TPM PPI memory region at @addr on the given address
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* space for the object @obj.
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**/
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void tpm_ppi_init(TPMPPI *tpmppi, struct MemoryRegion *m,
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hwaddr addr, Object *obj);
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/**
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* tpm_ppi_reset:
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* @tpmppi: a TPMPPI
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*
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* Function to call on machine reset. It will check if the "Memory
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* overwrite" variable is set, and perform a memory clear on volatile
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* memory if requested.
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**/
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void tpm_ppi_reset(TPMPPI *tpmppi);
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#endif /* TPM_TPM_PPI_H */
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