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 */ 47