cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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tpm_util.h (1891B)

      1/*
      2 * TPM utility functions
      3 *
      4 *  Copyright (c) 2010 - 2015 IBM Corporation
      5 *  Authors:
      6 *    Stefan Berger <stefanb@us.ibm.com>
      7 *
      8 * This library is free software; you can redistribute it and/or
      9 * modify it under the terms of the GNU Lesser General Public
     10 * License as published by the Free Software Foundation; either
     11 * version 2.1 of the License, or (at your option) any later version.
     12 *
     13 * This library is distributed in the hope that it will be useful,
     14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16 * Lesser General Public License for more details.
     17 *
     18 * You should have received a copy of the GNU Lesser General Public
     19 * License along with this library; if not, see <http://www.gnu.org/licenses/>
     20 */
     21
     22#ifndef SYSEMU_TPM_UTIL_H
     23#define SYSEMU_TPM_UTIL_H
     24
     25#include "sysemu/tpm.h"
     26#include "qemu/bswap.h"
     27
     28void tpm_util_write_fatal_error_response(uint8_t *out, uint32_t out_len);
     29
     30bool tpm_util_is_selftest(const uint8_t *in, uint32_t in_len);
     31
     32int tpm_util_test_tpmdev(int tpm_fd, TPMVersion *tpm_version);
     33
     34static inline uint16_t tpm_cmd_get_tag(const void *b)
     35{
     36    return lduw_be_p(b);
     37}
     38
     39static inline void tpm_cmd_set_tag(void *b, uint16_t tag)
     40{
     41    stw_be_p(b, tag);
     42}
     43
     44static inline uint32_t tpm_cmd_get_size(const void *b)
     45{
     46    return ldl_be_p(b + 2);
     47}
     48
     49static inline void tpm_cmd_set_size(void *b, uint32_t size)
     50{
     51    stl_be_p(b + 2, size);
     52}
     53
     54static inline uint32_t tpm_cmd_get_ordinal(const void *b)
     55{
     56    return ldl_be_p(b + 6);
     57}
     58
     59static inline uint32_t tpm_cmd_get_errcode(const void *b)
     60{
     61    return ldl_be_p(b + 6);
     62}
     63
     64static inline void tpm_cmd_set_error(void *b, uint32_t error)
     65{
     66    stl_be_p(b + 6, error);
     67}
     68
     69void tpm_util_show_buffer(const unsigned char *buffer,
     70                          size_t buffer_size, const char *string);
     71
     72#endif /* SYSEMU_TPM_UTIL_H */