qemu/hw/tpm/tpm_util.h
Philippe Mathieu-Daudé eccc0b0f02 hw/tpm: Move few declarations from 'tpm_util.h' to 'tpm_int.h'
We are going to make "tpm_util.h" publicly accessible by
moving it to the include/ directory in a pair of commits.
Keep declarations internals to hw/tpm/ in "tpm_int.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200612085444.8362-10-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
2020-06-19 07:25:35 -04:00

76 lines
2.0 KiB
C

/*
* TPM utility functions
*
* Copyright (c) 2010 - 2015 IBM Corporation
* Authors:
* Stefan Berger <stefanb@us.ibm.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>
*/
#ifndef TPM_TPM_UTIL_H
#define TPM_TPM_UTIL_H
#include "sysemu/tpm.h"
#include "qemu/bswap.h"
void tpm_util_write_fatal_error_response(uint8_t *out, uint32_t out_len);
bool tpm_util_is_selftest(const uint8_t *in, uint32_t in_len);
int tpm_util_test_tpmdev(int tpm_fd, TPMVersion *tpm_version);
static inline uint16_t tpm_cmd_get_tag(const void *b)
{
return lduw_be_p(b);
}
static inline void tpm_cmd_set_tag(void *b, uint16_t tag)
{
stw_be_p(b, tag);
}
static inline uint32_t tpm_cmd_get_size(const void *b)
{
return ldl_be_p(b + 2);
}
static inline void tpm_cmd_set_size(void *b, uint32_t size)
{
stl_be_p(b + 2, size);
}
static inline uint32_t tpm_cmd_get_ordinal(const void *b)
{
return ldl_be_p(b + 6);
}
static inline uint32_t tpm_cmd_get_errcode(const void *b)
{
return ldl_be_p(b + 6);
}
static inline void tpm_cmd_set_error(void *b, uint32_t error)
{
stl_be_p(b + 6, error);
}
#define DEFINE_PROP_TPMBE(_n, _s, _f) \
DEFINE_PROP(_n, _s, _f, qdev_prop_tpm, TPMBackend *)
void tpm_util_show_buffer(const unsigned char *buffer,
size_t buffer_size, const char *string);
#endif /* TPM_TPM_UTIL_H */