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In the TPM passthrough backend driver, modify the probing code so that we can check whether a TPM 1.2 or TPM 2 is being used and adapt the behavior of the TPM TIS accordingly. Move the code that tested for a TPM 1.2 into tpm_utils.c and extend it with test for probing for TPM 2. Have the function return the version of TPM found. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
29 lines
978 B
C
29 lines
978 B
C
/*
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* TPM utility functions
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*
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* Copyright (c) 2010 - 2015 IBM Corporation
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* Authors:
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* Stefan Berger <stefanb@us.ibm.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef TPM_TPM_UTILS_H
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#define TPM_TPM_UTILS_H
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#include "sysemu/tpm_backend.h"
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int tpm_util_test_tpmdev(int tpm_fd, TPMVersion *tpm_version);
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#endif /* TPM_TPM_UTILS_H */
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