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5cb18b3d7b
Add a TPM2 ACPI table if a TPM 2 is used in the backend. Also add an SSDT for the TPM 2. Rename tpm_find() to tpm_get_version() and have this function return the version of the TPM found, TPMVersion_Unspec if no TPM is found. Use the version number to build version specific ACPI tables. 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>
44 lines
937 B
C
44 lines
937 B
C
/*
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* Public TPM functions
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*
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* Copyright (C) 2011-2013 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 QEMU_TPM_H
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#define QEMU_TPM_H
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#include "qemu/option.h"
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typedef struct TPMState TPMState;
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int tpm_config_parse(QemuOptsList *opts_list, const char *optarg);
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int tpm_init(void);
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void tpm_cleanup(void);
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typedef enum TPMVersion {
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TPM_VERSION_UNSPEC = 0,
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TPM_VERSION_1_2 = 1,
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TPM_VERSION_2_0 = 2,
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} TPMVersion;
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TPMVersion tpm_tis_get_tpm_version(Object *obj);
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#define TYPE_TPM_TIS "tpm-tis"
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static inline TPMVersion tpm_get_version(void)
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{
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Object *obj = object_resolve_path_type("", TYPE_TPM_TIS, NULL);
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if (obj) {
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return tpm_tis_get_tpm_version(obj);
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}
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return TPM_VERSION_UNSPEC;
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}
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#endif /* QEMU_TPM_H */
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