LXR qemu/hw/tpm/tpm

   1/*
   2 * TPM Physical Presence Interface
   3 *
   4 * Copyright (C) 2018 IBM Corporation
   5 *
   6 * Authors:
   7 *  Stefan Berger    <stefanb@us.ibm.com>
   8 *
   9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10 * See the COPYING file in the top-level directory.
  11 */
  12#ifndef TPM_TPM_PPI_H
  13#define TPM_TPM_PPI_H
  14
  15#include "exec/address-spaces.h"
  16
  17typedef struct TPMPPI {
  18    MemoryRegion ram;
  19    uint8_t *buf;
  20} TPMPPI;
  21
  22/**
  23 * tpm_ppi_init:
  24 * @tpmppi: a TPMPPI
  25 * @m: the address-space / MemoryRegion to use
  26 * @addr: the address of the PPI region
  27 * @obj: the owner object
  28 *
  29 * Register the TPM PPI memory region at @addr on the given address
  30 * space for the object @obj.
  31 **/
  32void tpm_ppi_init(TPMPPI *tpmppi, struct MemoryRegion *m,
  33                  hwaddr addr, Object *obj);
  34
  35/**
  36 * tpm_ppi_reset:
  37 * @tpmppi: a TPMPPI
  38 *
  39 * Function to call on machine reset. It will check if the "Memory
  40 * overwrite" variable is set, and perform a memory clear on volatile
  41 * memory if requested.
  42 **/
  43void tpm_ppi_reset(TPMPPI *tpmppi);
  44
  45#endif /* TPM_TPM_PPI_H */
  46