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