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tpm: reorganize headers and split hardware part

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The TPM subsystem does not have a full front-end/back-end separation.
The sole available backend, tpm_passthrough, depends on the data
structures of the sole available frontend, tpm_tis.

However, we can at least try to split the user interface (tpm.c) from the
implementation (hw/tpm).  The patches makes tpm.c not include tpm_int.h,
which is shared between tpm_tis.c and tpm_passthrough.c; instead it
moves more stuff to tpm_backend.h.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-04-02 18:28:41 +02:00
parent 3b8acc11d3
commit bdee56f546
15 changed files with 103 additions and 128 deletions
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45
include/sysemu/tpm_backend_int.h Normal file
View file

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/*
* common TPM backend driver functions
*
* Copyright (c) 2012-2013 IBM Corporation
* Authors:
* Stefan Berger <stefanb@us.ibm.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>
*/
#ifndef TPM_TPM_BACKEND_H
#define TPM_TPM_BACKEND_H
#include <glib.h>
typedef struct TPMBackendThread {
GThreadPool *pool;
} TPMBackendThread;
void tpm_backend_thread_deliver_request(TPMBackendThread *tbt);
void tpm_backend_thread_create(TPMBackendThread *tbt,
GFunc func, gpointer user_data);
void tpm_backend_thread_end(TPMBackendThread *tbt);
void tpm_backend_thread_tpm_reset(TPMBackendThread *tbt,
GFunc func, gpointer user_data);
typedef enum TPMBackendCmd {
TPM_BACKEND_CMD_INIT = 1,
TPM_BACKEND_CMD_PROCESS_CMD,
TPM_BACKEND_CMD_END,
TPM_BACKEND_CMD_TPM_RESET,
} TPMBackendCmd;
#endif /* TPM_TPM_BACKEND_H */