cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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tpm.h (2172B)

      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 "qapi/qapi-types-tpm.h"
     16#include "qom/object.h"
     17
     18#ifdef CONFIG_TPM
     19
     20int tpm_config_parse(QemuOptsList *opts_list, const char *optarg);
     21int tpm_init(void);
     22void tpm_cleanup(void);
     23
     24typedef enum TPMVersion {
     25    TPM_VERSION_UNSPEC = 0,
     26    TPM_VERSION_1_2 = 1,
     27    TPM_VERSION_2_0 = 2,
     28} TPMVersion;
     29
     30#define TYPE_TPM_IF "tpm-if"
     31typedef struct TPMIfClass TPMIfClass;
     32DECLARE_CLASS_CHECKERS(TPMIfClass, TPM_IF,
     33                       TYPE_TPM_IF)
     34#define TPM_IF(obj)                             \
     35    INTERFACE_CHECK(TPMIf, (obj), TYPE_TPM_IF)
     36
     37typedef struct TPMIf TPMIf;
     38
     39struct TPMIfClass {
     40    InterfaceClass parent_class;
     41
     42    enum TpmModel model;
     43    void (*request_completed)(TPMIf *obj, int ret);
     44    enum TPMVersion (*get_version)(TPMIf *obj);
     45};
     46
     47#define TYPE_TPM_TIS_ISA            "tpm-tis"
     48#define TYPE_TPM_TIS_SYSBUS         "tpm-tis-device"
     49#define TYPE_TPM_CRB                "tpm-crb"
     50#define TYPE_TPM_SPAPR              "tpm-spapr"
     51
     52#define TPM_IS_TIS_ISA(chr)                         \
     53    object_dynamic_cast(OBJECT(chr), TYPE_TPM_TIS_ISA)
     54#define TPM_IS_TIS_SYSBUS(chr)                      \
     55    object_dynamic_cast(OBJECT(chr), TYPE_TPM_TIS_SYSBUS)
     56#define TPM_IS_CRB(chr)                             \
     57    object_dynamic_cast(OBJECT(chr), TYPE_TPM_CRB)
     58#define TPM_IS_SPAPR(chr)                           \
     59    object_dynamic_cast(OBJECT(chr), TYPE_TPM_SPAPR)
     60
     61/* returns NULL unless there is exactly one TPM device */
     62static inline TPMIf *tpm_find(void)
     63{
     64    Object *obj = object_resolve_path_type("", TYPE_TPM_IF, NULL);
     65
     66    return TPM_IF(obj);
     67}
     68
     69static inline TPMVersion tpm_get_version(TPMIf *ti)
     70{
     71    if (!ti) {
     72        return TPM_VERSION_UNSPEC;
     73    }
     74
     75    return TPM_IF_GET_CLASS(ti)->get_version(ti);
     76}
     77
     78#else /* CONFIG_TPM */
     79
     80#define tpm_init()  (0)
     81#define tpm_cleanup()
     82
     83#endif /* CONFIG_TPM */
     84
     85#endif /* QEMU_TPM_H */