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 "qom/object.h" 16 #include "qapi-types.h" 17 18 int tpm_config_parse(QemuOptsList *opts_list, const char *optarg); 19 int tpm_init(void); 20 void tpm_cleanup(void); 21 22 typedef enum TPMVersion { 23 TPM_VERSION_UNSPEC = 0, 24 TPM_VERSION_1_2 = 1, 25 TPM_VERSION_2_0 = 2, 26 } TPMVersion; 27 28 #define TYPE_TPM_IF "tpm-if" 29 #define TPM_IF_CLASS(klass) \ 30 OBJECT_CLASS_CHECK(TPMIfClass, (klass), TYPE_TPM_IF) 31 #define TPM_IF_GET_CLASS(obj) \ 32 OBJECT_GET_CLASS(TPMIfClass, (obj), TYPE_TPM_IF) 33 #define TPM_IF(obj) \ 34 INTERFACE_CHECK(TPMIf, (obj), TYPE_TPM_IF) 35 36 typedef struct TPMIf { 37 Object parent_obj; 38 } TPMIf; 39 40 typedef struct TPMIfClass { 41 InterfaceClass parent_class; 42 43 enum TpmModel model; 44 void (*request_completed)(TPMIf *obj); 45 } TPMIfClass; 46 47 TPMVersion tpm_tis_get_tpm_version(Object *obj); 48 49 #define TYPE_TPM_TIS "tpm-tis" 50 51 static inline TPMVersion tpm_get_version(void) 52 { 53 #ifdef CONFIG_TPM 54 Object *obj = object_resolve_path_type("", TYPE_TPM_TIS, NULL); 55 56 if (obj) { 57 return tpm_tis_get_tpm_version(obj); 58 } 59 #endif 60 return TPM_VERSION_UNSPEC; 61 } 62 63 #endif /* QEMU_TPM_H */ 64