ff5ce21e1b
The device should be exposed if present. It shouldn't have an undefined version (or else backend init failed, and device should fail too). Finally, make the fields specific to TIS device model. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
71 lines
1.7 KiB
C
71 lines
1.7 KiB
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 "qom/object.h"
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#include "qapi-types.h"
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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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#define TYPE_TPM_IF "tpm-if"
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#define TPM_IF_CLASS(klass) \
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OBJECT_CLASS_CHECK(TPMIfClass, (klass), TYPE_TPM_IF)
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#define TPM_IF_GET_CLASS(obj) \
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OBJECT_GET_CLASS(TPMIfClass, (obj), TYPE_TPM_IF)
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#define TPM_IF(obj) \
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INTERFACE_CHECK(TPMIf, (obj), TYPE_TPM_IF)
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typedef struct TPMIf {
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Object parent_obj;
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} TPMIf;
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typedef struct TPMIfClass {
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InterfaceClass parent_class;
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enum TpmModel model;
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void (*request_completed)(TPMIf *obj);
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enum TPMVersion (*get_version)(TPMIf *obj);
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} TPMIfClass;
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#define TYPE_TPM_TIS "tpm-tis"
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#define TPM_IS_TIS(chr) \
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object_dynamic_cast(OBJECT(chr), TYPE_TPM_TIS)
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/* returns NULL unless there is exactly one TPM device */
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static inline TPMIf *tpm_find(void)
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{
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Object *obj = object_resolve_path_type("", TYPE_TPM_IF, NULL);
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return TPM_IF(obj);
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}
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static inline TPMVersion tpm_get_version(TPMIf *ti)
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{
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if (!ti) {
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return TPM_VERSION_UNSPEC;
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}
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return TPM_IF_GET_CLASS(ti)->get_version(ti);
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}
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#endif /* QEMU_TPM_H */
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