asdk-repo-libdce

/*

 * Copyright (c) 2014, Texas Instruments Incorporated

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * *  Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 *

 * *  Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * *  Neither the name of Texas Instruments Incorporated nor the names of

 *    its contributors may be used to endorse or promote products derived

 *    from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;

 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,

 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

​

#include <stdlib.h>

#include <string.h>

#include <stdio.h>

#include <pthread.h>

​

#include <ti/ipc/mm/MmRpc.h>

#include "dce_priv.h"

#include "libdce.h"

#include "dce_rpc.h"

#include "memplugin.h"

​

​

extern MmRpc_Handle    MmRpcHandle[];

extern pthread_mutex_t    ipc_mutex;

int is_ipc_ready = 0;

static int dce_buf_count = 0;

​

int dce_buf_lock(int num, size_t *handle)

{

    int                 i;

    MmRpc_BufDesc      *desc = NULL;

    dce_error_status    eError = DCE_EOK;

​

    pthread_mutex_lock(&ipc_mutex);

​

    if (!is_ipc_ready) {

        if (dce_ipc_init(IPU) != MEM_EOK) {

            pthread_mutex_unlock(&ipc_mutex);

            return DCE_EIPC_CALL_FAIL;

        }

        is_ipc_ready = 0x1234;