include/sysemu/tpm.h

   1 /*
   2  * Public TPM functions
   3  *
   4  * Copyright (C) 2011-2013 IBM Corporation
   5  *
   6  * Authors:
   7  *  Stefan Berger    <stefanb@us.ibm.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12 #ifndef QEMU_TPM_H
  13 #define QEMU_TPM_H
  14
  15 #include "qemu/option.h"
  16 #include "qom/object.h"
  17
  18 typedef struct TPMState TPMState;
  19
  20 int tpm_config_parse(QemuOptsList *opts_list, const char *optarg);
  21 int tpm_init(void);
  22 void tpm_cleanup(void);
  23
  24 typedef enum  TPMVersion {
  25     TPM_VERSION_UNSPEC = 0,
  26     TPM_VERSION_1_2 = 1,
  27     TPM_VERSION_2_0 = 2,
  28 } TPMVersion;
  29
  30 TPMVersion tpm_tis_get_tpm_version(Object *obj);
  31
  32 #define TYPE_TPM_TIS                "tpm-tis"
  33
  34 static inline TPMVersion tpm_get_version(void)
  35 {
  36 #ifdef CONFIG_TPM
  37     Object *obj = object_resolve_path_type("", TYPE_TPM_TIS, NULL);
  38
  39     if (obj) {
  40         return tpm_tis_get_tpm_version(obj);
  41     }
  42 #endif
  43     return TPM_VERSION_UNSPEC;
  44 }
  45
  46 #endif /* QEMU_TPM_H */