mirror of https://gitlab.com/qemu-project/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
/*
|
|
* Public TPM functions
|
|
*
|
|
* Copyright (C) 2011-2013 IBM Corporation
|
|
*
|
|
* Authors:
|
|
* Stefan Berger <stefanb@us.ibm.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*/
|
|
#ifndef QEMU_TPM_H
|
|
#define QEMU_TPM_H
|
|
|
|
#include "qapi/qapi-types-tpm.h"
|
|
#include "qom/object.h"
|
|
|
|
#ifdef CONFIG_TPM
|
|
|
|
int tpm_config_parse(QemuOptsList *opts_list, const char *optstr);
|
|
int tpm_init(void);
|
|
void tpm_cleanup(void);
|
|
|
|
typedef enum TPMVersion {
|
|
TPM_VERSION_UNSPEC = 0,
|
|
TPM_VERSION_1_2 = 1,
|
|
TPM_VERSION_2_0 = 2,
|
|
} TPMVersion;
|
|
|
|
#define TYPE_TPM_IF "tpm-if"
|
|
typedef struct TPMIfClass TPMIfClass;
|
|
DECLARE_CLASS_CHECKERS(TPMIfClass, TPM_IF,
|
|
TYPE_TPM_IF)
|
|
#define TPM_IF(obj) \
|
|
INTERFACE_CHECK(TPMIf, (obj), TYPE_TPM_IF)
|
|
|
|
typedef struct TPMIf TPMIf;
|
|
|
|
struct TPMIfClass {
|
|
InterfaceClass parent_class;
|
|
|
|
enum TpmModel model;
|
|
void (*request_completed)(TPMIf *obj, int ret);
|
|
enum TPMVersion (*get_version)(TPMIf *obj);
|
|
};
|
|
|
|
#define TYPE_TPM_TIS_ISA "tpm-tis"
|
|
#define TYPE_TPM_TIS_SYSBUS "tpm-tis-device"
|
|
#define TYPE_TPM_CRB "tpm-crb"
|
|
#define TYPE_TPM_SPAPR "tpm-spapr"
|
|
#define TYPE_TPM_TIS_I2C "tpm-tis-i2c"
|
|
|
|
#define TPM_IS_TIS_ISA(chr) \
|
|
object_dynamic_cast(OBJECT(chr), TYPE_TPM_TIS_ISA)
|
|
#define TPM_IS_TIS_SYSBUS(chr) \
|
|
object_dynamic_cast(OBJECT(chr), TYPE_TPM_TIS_SYSBUS)
|
|
#define TPM_IS_CRB(chr) \
|
|
object_dynamic_cast(OBJECT(chr), TYPE_TPM_CRB)
|
|
#define TPM_IS_SPAPR(chr) \
|
|
object_dynamic_cast(OBJECT(chr), TYPE_TPM_SPAPR)
|
|
#define TPM_IS_TIS_I2C(chr) \
|
|
object_dynamic_cast(OBJECT(chr), TYPE_TPM_TIS_I2C)
|
|
|
|
/* returns NULL unless there is exactly one TPM device */
|
|
static inline TPMIf *tpm_find(void)
|
|
{
|
|
Object *obj = object_resolve_path_type("", TYPE_TPM_IF, NULL);
|
|
|
|
return TPM_IF(obj);
|
|
}
|
|
|
|
static inline TPMVersion tpm_get_version(TPMIf *ti)
|
|
{
|
|
if (!ti) {
|
|
return TPM_VERSION_UNSPEC;
|
|
}
|
|
|
|
return TPM_IF_GET_CLASS(ti)->get_version(ti);
|
|
}
|
|
|
|
#else /* CONFIG_TPM */
|
|
|
|
#define tpm_init() (0)
|
|
#define tpm_cleanup()
|
|
|
|
/* needed for an alignment check in non-tpm code */
|
|
static inline Object *TPM_IS_CRB(Object *obj)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
#endif /* CONFIG_TPM */
|
|
|
|
#endif /* QEMU_TPM_H */
|