Archipelago » qemu

/*

 *  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/>

 */

#include "tpm/tpm.h"

#include "qemu/thread.h"

#include "tpm_backend.h"

void tpm_backend_thread_deliver_request(TPMBackendThread *tbt)

{

   g_thread_pool_push(tbt->pool, (gpointer)TPM_BACKEND_CMD_PROCESS_CMD, NULL);

}

void tpm_backend_thread_create(TPMBackendThread *tbt,

                               GFunc func, gpointer user_data)

{

    if (!tbt->pool) {

        tbt->pool = g_thread_pool_new(func, user_data, 1, TRUE, NULL);

        g_thread_pool_push(tbt->pool, (gpointer)TPM_BACKEND_CMD_INIT, NULL);

    }

}

void tpm_backend_thread_end(TPMBackendThread *tbt)

{

    if (tbt->pool) {

        g_thread_pool_push(tbt->pool, (gpointer)TPM_BACKEND_CMD_END, NULL);

        g_thread_pool_free(tbt->pool, FALSE, TRUE);

        tbt->pool = NULL;

    }

}

void tpm_backend_thread_tpm_reset(TPMBackendThread *tbt,

                                  GFunc func, gpointer user_data)

{

    if (!tbt->pool) {

        tpm_backend_thread_create(tbt, func, user_data);

    } else {

        g_thread_pool_push(tbt->pool, (gpointer)TPM_BACKEND_CMD_TPM_RESET,

                           NULL);

    }

}